<template>
  <div class="image-view">
    <img
      :class="round ? ' round image' : 'image'"
      :style="{ height }"
      :src="src"
      :mode="mode"
      :lazy-load="lazyLoad"
      @load="onLoad"
      @error="onError"
      v-show="!isLoading && !error"
    >
    <img
      :class="round ? ' round image' : 'image'"
      :style="{ height }"
      src="https://www.youbaobao.xyz/book/img/loading2.ae9e5924.jpeg"
      :mode="mode"
      :lazy-load="lazyLoad"
      v-show="isLoading || error"
    >
  </div>
</template>

<script>
export default {
  props: {
    src: {
      type: String,
      default: ''
    },
    mode: {
      type: String,
      default: 'widthFix'
    },
    lazyLoad: {
      type: Boolean,
      default: true
    },
    round: {
      type: Boolean,
      default: false
    },
    height: {
      type: String,
      default: 'auto'
    }
  },
  watch: {
    src (newValue, preValue) {
    }
  },
  data () {
    return {
      isLoading: true,
      error: false
    }
  },
  methods: {
    onClick () {
      this.$emit('onClick')
    },
    onLoad () {
      // console.log('onLoad')
      this.isLoading = false
      this.error = false
    },
    onError () {
      // console.log('onError')
      this.error = true
      this.isLoading = false
    }
  }
}
</script>

<style scoped lang="scss">
.image-view {
  width: 100%;
  .image {
    width: 100%;
    &.round {
      border-radius: 50%;
    }
  }
}
</style>
